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Add InitAll() which covers common initializations so that to avoid duplicate

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code and possible bugs (e.g. on BeOS/PPC). Likewise for ExitAll().
This commit is contained in:
gbeauche 2005-01-30 21:19:07 +00:00
parent f891b23e32
commit 26314e240e
7 changed files with 336 additions and 611 deletions
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2
SheepShaver/src/BeOS/Makefile
View File

@ -30,7 +30,7 @@ TYPE= APP
# if two source files with the same name (source.c or source.cpp)
# are included from different directories. Also note that spaces
# in folder names do not work well with this makefile.
SRCS= main_beos.cpp ../prefs.cpp ../prefs_items.cpp prefs_beos.cpp \
SRCS= ../main.cpp main_beos.cpp ../prefs.cpp ../prefs_items.cpp prefs_beos.cpp \
prefs_editor_beos.cpp sys_beos.cpp ../rom_patches.cpp ../rsrc_patches.cpp \
../emul_op.cpp ../name_registry.cpp ../macos_util.cpp ../timer.cpp \
timer_beos.cpp ../xpram.cpp xpram_beos.cpp ../adb.cpp clip_beos.cpp \

183
SheepShaver/src/BeOS/main_beos.cpp
View File

@ -74,21 +74,11 @@
#include "xpram.h"
#include "timer.h"
#include "adb.h"
#include "sony.h"
#include "disk.h"
#include "cdrom.h"
#include "scsi.h"
#include "video.h"
#include "audio.h"
#include "ether.h"
#include "serial.h"
#include "clip.h"
#include "extfs.h"
#include "sys.h"
#include "macos_util.h"
#include "rom_patches.h"
#include "user_strings.h"
#include "thunks.h"
#include "sheep_driver.h"
@ -371,7 +361,6 @@ void SheepShaver::MessageReceived(BMessage *msg)
void SheepShaver::StartEmulator(void)
{
char str[256];
int16 i16;
// Open sheep driver and remap low memory
sheep_fd = open("/dev/sheep", 0);
@ -481,68 +470,12 @@ void SheepShaver::StartEmulator(void)
}
D(bug("DR Emulator area %ld at %p\n", dr_emulator_area, DREmulatorAddr));
// Load NVRAM
XPRAMInit();
// Set boot volume
i16 = PrefsFindInt32("bootdrive");
XPRAM[0x1378] = i16 >> 8;
XPRAM[0x1379] = i16 & 0xff;
i16 = PrefsFindInt32("bootdriver");
XPRAM[0x137a] = i16 >> 8;
XPRAM[0x137b] = i16 & 0xff;
// Create BootGlobs at top of Mac memory
memset((void *)(RAMBase + RAMSize - 4096), 0, 4096);
BootGlobsAddr = RAMBase + RAMSize - 0x1c;
uint32 *boot_globs = (uint32 *)BootGlobsAddr;
boot_globs[-5] = htonl(RAMBase + RAMSize); // MemTop
boot_globs[0] = htonl(RAMBase); // First RAM bank
boot_globs[1] = htonl(RAMSize);
boot_globs[2] = htonl((uint32)-1); // End of bank table
// Init thunks
if (!InitThunks()) {
PostMessage(B_QUIT_REQUESTED);
return;
}
// Init drivers
SonyInit();
DiskInit();
CDROMInit();
SCSIInit();
// Init external file system
ExtFSInit();
// Init audio
AudioInit();
// Init network
EtherInit();
// Init serial ports
SerialInit();
// Init Time Manager
TimerInit();
// Init clipboard
ClipInit();
// Init video
if (!VideoInit()) {
PostMessage(B_QUIT_REQUESTED);
return;
}
// Install ROM patches
if (!PatchROM()) {
ErrorAlert(GetString(STR_UNSUPPORTED_ROM_TYPE_ERR));
// Initialize everything
if (!InitAll()) {
PostMessage(B_QUIT_REQUESTED);
return;
}
D(bug("Initialization complete\n"));
// Clear caches (as we loaded and patched code) and write protect ROM
#if !EMULATED_PPC
@ -550,71 +483,10 @@ void SheepShaver::StartEmulator(void)
#endif
set_area_protection(rom_area, B_READ_AREA);
// Initialize Kernel Data
memset(kernel_data, 0, sizeof(KernelData));
if (ROMType == ROMTYPE_NEWWORLD) {
static uint32 of_dev_tree[4] = {0, 0, 0, 0};
static uint8 vector_lookup_tbl[128];
static uint8 vector_mask_tbl[64];
memset((uint8 *)kernel_data + 0xb80, 0x3d, 0x80);
memset(vector_lookup_tbl, 0, 128);
memset(vector_mask_tbl, 0, 64);
kernel_data->v[0xb80 >> 2] = htonl(ROM_BASE);
kernel_data->v[0xb84 >> 2] = htonl((uint32)of_dev_tree); // OF device tree base
kernel_data->v[0xb90 >> 2] = htonl((uint32)vector_lookup_tbl);
kernel_data->v[0xb94 >> 2] = htonl((uint32)vector_mask_tbl);
kernel_data->v[0xb98 >> 2] = htonl(ROM_BASE); // OpenPIC base
kernel_data->v[0xbb0 >> 2] = htonl(0); // ADB base
kernel_data->v[0xc20 >> 2] = htonl(RAMSize);
kernel_data->v[0xc24 >> 2] = htonl(RAMSize);
kernel_data->v[0xc30 >> 2] = htonl(RAMSize);
kernel_data->v[0xc34 >> 2] = htonl(RAMSize);
kernel_data->v[0xc38 >> 2] = htonl(0x00010020);
kernel_data->v[0xc3c >> 2] = htonl(0x00200001);
kernel_data->v[0xc40 >> 2] = htonl(0x00010000);
kernel_data->v[0xc50 >> 2] = htonl(RAMBase);
kernel_data->v[0xc54 >> 2] = htonl(RAMSize);
kernel_data->v[0xf60 >> 2] = htonl(PVR);
kernel_data->v[0xf64 >> 2] = htonl(CPUClockSpeed);
kernel_data->v[0xf68 >> 2] = htonl(BusClockSpeed);
kernel_data->v[0xf6c >> 2] = htonl(CPUClockSpeed);
} else {
kernel_data->v[0xc80 >> 2] = htonl(RAMSize);
kernel_data->v[0xc84 >> 2] = htonl(RAMSize);
kernel_data->v[0xc90 >> 2] = htonl(RAMSize);
kernel_data->v[0xc94 >> 2] = htonl(RAMSize);
kernel_data->v[0xc98 >> 2] = htonl(0x00010020);
kernel_data->v[0xc9c >> 2] = htonl(0x00200001);
kernel_data->v[0xca0 >> 2] = htonl(0x00010000);
kernel_data->v[0xcb0 >> 2] = htonl(RAMBase);
kernel_data->v[0xcb4 >> 2] = htonl(RAMSize);
kernel_data->v[0xf80 >> 2] = htonl(PVR);
kernel_data->v[0xf84 >> 2] = htonl(CPUClockSpeed);
kernel_data->v[0xf88 >> 2] = htonl(BusClockSpeed);
kernel_data->v[0xf8c >> 2] = htonl(CPUClockSpeed);
}
// Initialize extra low memory
D(bug("Initializing Low Memory...\n"));
memset(NULL, 0, 0x3000);
WriteMacInt32(XLM_SIGNATURE, 'Baah'); // Signature to detect SheepShaver
WriteMacInt32(XLM_KERNEL_DATA, (uint32)kernel_data); // For trap replacement routines
D(bug("Initializing extra Low Memory...\n"));
WriteMacInt32(XLM_SHEEP_OBJ, (uint32)this); // Pointer to SheepShaver object
WriteMacInt32(XLM_PVR, PVR); // Theoretical PVR
WriteMacInt32(XLM_BUS_CLOCK, BusClockSpeed); // For DriverServicesLib patch
WriteMacInt16(XLM_EXEC_RETURN_OPCODE, M68K_EXEC_RETURN); // For Execute68k() (RTS from the executed 68k code will jump here and end 68k mode)
WriteMacInt32(XLM_ZERO_PAGE, SheepMem::ZeroPage()); // Pointer to read-only page with all bits set to 0
#if !EMULATED_PPC
WriteMacInt32(XLM_TOC, (uint32)TOC); // TOC pointer of emulator
WriteMacInt32(XLM_ETHER_INIT, *(uint32 *)InitStreamModule); // DLPI ethernet driver functions
WriteMacInt32(XLM_ETHER_TERM, *(uint32 *)TerminateStreamModule);
WriteMacInt32(XLM_ETHER_OPEN, *(uint32 *)ether_open);
WriteMacInt32(XLM_ETHER_CLOSE, *(uint32 *)ether_close);
WriteMacInt32(XLM_ETHER_WPUT, *(uint32 *)ether_wput);
WriteMacInt32(XLM_ETHER_RSRV, *(uint32 *)ether_rsrv);
WriteMacInt32(XLM_VIDEO_DOIO, *(uint32 *)VideoDoDriverIO);
#endif
D(bug("Low Memory initialized\n"));
D(bug("Extra Low Memory initialized\n"));
// Disallow quitting with Alt-Q from now on
AllowQuitting = false;
@ -670,38 +542,8 @@ void SheepShaver::Quit(void)
if (emul_thread > 0)
wait_for_thread(emul_thread, &l);
// Save NVRAM
XPRAMExit();
// Exit clipboard
ClipExit();
// Exit Time Manager
TimerExit();
// Exit serial
SerialExit();
// Exit network
EtherExit();
// Exit audio
AudioExit();
// Exit video
VideoExit();
// Exit external file system
ExtFSExit();
// Exit drivers
SCSIExit();
CDROMExit();
DiskExit();
SonyExit();
// Delete thunks
ThunksExit();
// Deinitialize everything
ExitAll();
// Delete SheepShaver globals
SheepMem::Exit();
@ -1349,17 +1191,6 @@ void MakeExecutable(int dummy, uint32 start, uint32 length)
}
/*
* Patch things after system startup (gets called by disk driver accRun routine)
*/
void PatchAfterStartup(void)
{
ExecuteNative(NATIVE_VIDEO_INSTALL_ACCEL);
InstallExtFS();
}
/*
* NVRAM watchdog thread (saves NVRAM every minute)
*/

2
SheepShaver/src/Unix/Makefile.in
View File

@ -41,7 +41,7 @@ DYNGENSRCS += $(filter %i386-dis.c,$(MONSRCS))
endif
## Files
SRCS = main_unix.cpp ../prefs.cpp ../prefs_items.cpp prefs_unix.cpp sys_unix.cpp \
SRCS = ../main.cpp main_unix.cpp ../prefs.cpp ../prefs_items.cpp prefs_unix.cpp sys_unix.cpp \
../rom_patches.cpp ../rsrc_patches.cpp ../emul_op.cpp ../name_registry.cpp \
../macos_util.cpp ../timer.cpp timer_unix.cpp ../xpram.cpp xpram_unix.cpp \
../adb.cpp ../sony.cpp ../disk.cpp ../cdrom.cpp ../scsi.cpp \

230
SheepShaver/src/Unix/main_unix.cpp
View File

@ -105,23 +105,13 @@
#include "xpram.h"
#include "timer.h"
#include "adb.h"
#include "sony.h"
#include "disk.h"
#include "cdrom.h"
#include "scsi.h"
#include "video.h"
#include "audio.h"
#include "ether.h"
#include "serial.h"
#include "clip.h"
#include "extfs.h"
#include "sys.h"
#include "macos_util.h"
#include "rom_patches.h"
#include "user_strings.h"
#include "vm_alloc.h"
#include "sigsegv.h"
#include "thunks.h"
#define DEBUG 0
#include "debug.h"
@ -456,7 +446,6 @@ static void usage(const char *prg_name)
int main(int argc, char **argv)
{
char str[256];
int16 i16;
int rom_fd;
FILE *proc_file;
const char *rom_path;
@ -909,95 +898,10 @@ int main(int argc, char **argv)
}
delete[] rom_tmp;
// Load NVRAM
XPRAMInit();
// Load XPRAM default values if signature not found
if (XPRAM[0x130c] != 0x4e || XPRAM[0x130d] != 0x75
|| XPRAM[0x130e] != 0x4d || XPRAM[0x130f] != 0x63) {
D(bug("Loading XPRAM default values\n"));
memset(XPRAM + 0x1300, 0, 0x100);
XPRAM[0x130c] = 0x4e; // "NuMc" signature
XPRAM[0x130d] = 0x75;
XPRAM[0x130e] = 0x4d;
XPRAM[0x130f] = 0x63;
XPRAM[0x1301] = 0x80; // InternalWaitFlags = DynWait (don't wait for SCSI devices upon bootup)
XPRAM[0x1310] = 0xa8; // Standard PRAM values
XPRAM[0x1311] = 0x00;
XPRAM[0x1312] = 0x00;
XPRAM[0x1313] = 0x22;
XPRAM[0x1314] = 0xcc;
XPRAM[0x1315] = 0x0a;
XPRAM[0x1316] = 0xcc;
XPRAM[0x1317] = 0x0a;
XPRAM[0x131c] = 0x00;
XPRAM[0x131d] = 0x02;
XPRAM[0x131e] = 0x63;
XPRAM[0x131f] = 0x00;
XPRAM[0x1308] = 0x13;
XPRAM[0x1309] = 0x88;
XPRAM[0x130a] = 0x00;
XPRAM[0x130b] = 0xcc;
XPRAM[0x1376] = 0x00; // OSDefault = MacOS
XPRAM[0x1377] = 0x01;
}
// Set boot volume
i16 = PrefsFindInt32("bootdrive");
XPRAM[0x1378] = i16 >> 8;
XPRAM[0x1379] = i16 & 0xff;
i16 = PrefsFindInt32("bootdriver");
XPRAM[0x137a] = i16 >> 8;
XPRAM[0x137b] = i16 & 0xff;
// Create BootGlobs at top of Mac memory
memset(RAMBaseHost + RAMSize - 4096, 0, 4096);
BootGlobsAddr = RAMBase + RAMSize - 0x1c;
WriteMacInt32(BootGlobsAddr - 5 * 4, RAMBase + RAMSize); // MemTop
WriteMacInt32(BootGlobsAddr + 0 * 4, RAMBase); // First RAM bank
WriteMacInt32(BootGlobsAddr + 1 * 4, RAMSize);
WriteMacInt32(BootGlobsAddr + 2 * 4, (uint32)-1); // End of bank table
// Init thunks
if (!ThunksInit())
// Initialize everything
if (!InitAll())
goto quit;
// Init drivers
SonyInit();
DiskInit();
CDROMInit();
SCSIInit();
// Init external file system
ExtFSInit();
// Init ADB
ADBInit();
// Init audio
AudioInit();
// Init network
EtherInit();
// Init serial ports
SerialInit();
// Init Time Manager
TimerInit();
// Init clipboard
ClipInit();
// Init video
if (!VideoInit())
goto quit;
// Install ROM patches
if (!PatchROM()) {
ErrorAlert(GetString(STR_UNSUPPORTED_ROM_TYPE_ERR));
goto quit;
}
D(bug("Initialization complete\n"));
// Clear caches (as we loaded and patched code) and write protect ROM
#if !EMULATED_PPC
@ -1005,86 +909,6 @@ int main(int argc, char **argv)
#endif
vm_protect(ROMBaseHost, ROM_AREA_SIZE, VM_PAGE_READ | VM_PAGE_EXECUTE);
// Initialize Kernel Data
memset(kernel_data, 0, sizeof(KernelData));
if (ROMType == ROMTYPE_NEWWORLD) {
uint32 of_dev_tree = SheepMem::Reserve(4 * sizeof(uint32));
Mac_memset(of_dev_tree, 0, 4 * sizeof(uint32));
uint32 vector_lookup_tbl = SheepMem::Reserve(128);
uint32 vector_mask_tbl = SheepMem::Reserve(64);
memset((uint8 *)kernel_data + 0xb80, 0x3d, 0x80);
Mac_memset(vector_lookup_tbl, 0, 128);
Mac_memset(vector_mask_tbl, 0, 64);
kernel_data->v[0xb80 >> 2] = htonl(ROM_BASE);
kernel_data->v[0xb84 >> 2] = htonl(of_dev_tree); // OF device tree base
kernel_data->v[0xb90 >> 2] = htonl(vector_lookup_tbl);
kernel_data->v[0xb94 >> 2] = htonl(vector_mask_tbl);
kernel_data->v[0xb98 >> 2] = htonl(ROM_BASE); // OpenPIC base
kernel_data->v[0xbb0 >> 2] = htonl(0); // ADB base
kernel_data->v[0xc20 >> 2] = htonl(RAMSize);
kernel_data->v[0xc24 >> 2] = htonl(RAMSize);
kernel_data->v[0xc30 >> 2] = htonl(RAMSize);
kernel_data->v[0xc34 >> 2] = htonl(RAMSize);
kernel_data->v[0xc38 >> 2] = htonl(0x00010020);
kernel_data->v[0xc3c >> 2] = htonl(0x00200001);
kernel_data->v[0xc40 >> 2] = htonl(0x00010000);
kernel_data->v[0xc50 >> 2] = htonl(RAMBase);
kernel_data->v[0xc54 >> 2] = htonl(RAMSize);
kernel_data->v[0xf60 >> 2] = htonl(PVR);
kernel_data->v[0xf64 >> 2] = htonl(CPUClockSpeed); // clock-frequency
kernel_data->v[0xf68 >> 2] = htonl(BusClockSpeed); // bus-frequency
kernel_data->v[0xf6c >> 2] = htonl(TimebaseSpeed); // timebase-frequency
} else if (ROMType == ROMTYPE_GOSSAMER) {
kernel_data->v[0xc80 >> 2] = htonl(RAMSize);
kernel_data->v[0xc84 >> 2] = htonl(RAMSize);
kernel_data->v[0xc90 >> 2] = htonl(RAMSize);
kernel_data->v[0xc94 >> 2] = htonl(RAMSize);
kernel_data->v[0xc98 >> 2] = htonl(0x00010020);
kernel_data->v[0xc9c >> 2] = htonl(0x00200001);
kernel_data->v[0xca0 >> 2] = htonl(0x00010000);
kernel_data->v[0xcb0 >> 2] = htonl(RAMBase);
kernel_data->v[0xcb4 >> 2] = htonl(RAMSize);
kernel_data->v[0xf60 >> 2] = htonl(PVR);
kernel_data->v[0xf64 >> 2] = htonl(CPUClockSpeed); // clock-frequency
kernel_data->v[0xf68 >> 2] = htonl(BusClockSpeed); // bus-frequency
kernel_data->v[0xf6c >> 2] = htonl(TimebaseSpeed); // timebase-frequency
} else {
kernel_data->v[0xc80 >> 2] = htonl(RAMSize);
kernel_data->v[0xc84 >> 2] = htonl(RAMSize);
kernel_data->v[0xc90 >> 2] = htonl(RAMSize);
kernel_data->v[0xc94 >> 2] = htonl(RAMSize);
kernel_data->v[0xc98 >> 2] = htonl(0x00010020);
kernel_data->v[0xc9c >> 2] = htonl(0x00200001);
kernel_data->v[0xca0 >> 2] = htonl(0x00010000);
kernel_data->v[0xcb0 >> 2] = htonl(RAMBase);
kernel_data->v[0xcb4 >> 2] = htonl(RAMSize);
kernel_data->v[0xf80 >> 2] = htonl(PVR);
kernel_data->v[0xf84 >> 2] = htonl(CPUClockSpeed); // clock-frequency
kernel_data->v[0xf88 >> 2] = htonl(BusClockSpeed); // bus-frequency
kernel_data->v[0xf8c >> 2] = htonl(TimebaseSpeed); // timebase-frequency
}
// Initialize extra low memory
D(bug("Initializing Low Memory...\n"));
Mac_memset(0, 0, 0x3000);
WriteMacInt32(XLM_SIGNATURE, FOURCC('B','a','a','h')); // Signature to detect SheepShaver
WriteMacInt32(XLM_KERNEL_DATA, KernelDataAddr); // For trap replacement routines
WriteMacInt32(XLM_PVR, PVR); // Theoretical PVR
WriteMacInt32(XLM_BUS_CLOCK, BusClockSpeed); // For DriverServicesLib patch
WriteMacInt16(XLM_EXEC_RETURN_OPCODE, M68K_EXEC_RETURN); // For Execute68k() (RTS from the executed 68k code will jump here and end 68k mode)
WriteMacInt32(XLM_ZERO_PAGE, SheepMem::ZeroPage()); // Pointer to read-only page with all bits set to 0
#if !EMULATED_PPC
WriteMacInt32(XLM_TOC, (uint32)TOC); // TOC pointer of emulator
#endif
WriteMacInt32(XLM_ETHER_INIT, NativeFunction(NATIVE_ETHER_INIT)); // DLPI ethernet driver functions
WriteMacInt32(XLM_ETHER_TERM, NativeFunction(NATIVE_ETHER_TERM));
WriteMacInt32(XLM_ETHER_OPEN, NativeFunction(NATIVE_ETHER_OPEN));
WriteMacInt32(XLM_ETHER_CLOSE, NativeFunction(NATIVE_ETHER_CLOSE));
WriteMacInt32(XLM_ETHER_WPUT, NativeFunction(NATIVE_ETHER_WPUT));
WriteMacInt32(XLM_ETHER_RSRV, NativeFunction(NATIVE_ETHER_RSRV));
WriteMacInt32(XLM_VIDEO_DOIO, NativeFunction(NATIVE_VIDEO_DO_DRIVER_IO));
D(bug("Low Memory initialized\n"));
// Start 60Hz thread
tick_thread_cancel = false;
tick_thread_active = (pthread_create(&tick_thread, NULL, tick_func, NULL) == 0);
@ -1185,41 +1009,8 @@ static void Quit(void)
}
#endif
// Save NVRAM
XPRAMExit();
// Exit clipboard
ClipExit();
// Exit Time Manager
TimerExit();
// Exit serial
SerialExit();
// Exit network
EtherExit();
// Exit audio
AudioExit();
// Exit ADB
ADBExit();
// Exit video
VideoExit();
// Exit external file system
ExtFSExit();
// Exit drivers
SCSIExit();
CDROMExit();
DiskExit();
SonyExit();
// Delete thunks
ThunksExit();
// Deinitialize everything
ExitAll();
// Delete SheepShaver globals
SheepMem::Exit();
@ -1500,17 +1291,6 @@ void MakeExecutable(int dummy, uint32 start, uint32 length)
}
/*
* Patch things after system startup (gets called by disk driver accRun routine)
*/
void PatchAfterStartup(void)
{
ExecuteNative(NATIVE_VIDEO_INSTALL_ACCEL);
InstallExtFS();
}
/*
* NVRAM watchdog thread (saves NVRAM every minute)
*/

214
SheepShaver/src/Windows/main_windows.cpp
View File

@ -36,23 +36,13 @@
#include "xpram.h"
#include "timer.h"
#include "adb.h"
#include "sony.h"
#include "disk.h"
#include "cdrom.h"
#include "scsi.h"
#include "video.h"
#include "audio.h"
#include "ether.h"
#include "serial.h"
#include "clip.h"
#include "extfs.h"
#include "sys.h"
#include "macos_util.h"
#include "rom_patches.h"
#include "user_strings.h"
#include "vm_alloc.h"
#include "sigsegv.h"
#include "thunks.h"
#include "util_windows.h"
#define DEBUG 0
@ -349,161 +339,13 @@ int main(int argc, char **argv)
}
delete[] rom_tmp;
// Load NVRAM
XPRAMInit();
// Load XPRAM default values if signature not found
if (XPRAM[0x130c] != 0x4e || XPRAM[0x130d] != 0x75
|| XPRAM[0x130e] != 0x4d || XPRAM[0x130f] != 0x63) {
D(bug("Loading XPRAM default values\n"));
memset(XPRAM + 0x1300, 0, 0x100);
XPRAM[0x130c] = 0x4e; // "NuMc" signature
XPRAM[0x130d] = 0x75;
XPRAM[0x130e] = 0x4d;
XPRAM[0x130f] = 0x63;
XPRAM[0x1301] = 0x80; // InternalWaitFlags = DynWait (don't wait for SCSI devices upon bootup)
XPRAM[0x1310] = 0xa8; // Standard PRAM values
XPRAM[0x1311] = 0x00;
XPRAM[0x1312] = 0x00;
XPRAM[0x1313] = 0x22;
XPRAM[0x1314] = 0xcc;
XPRAM[0x1315] = 0x0a;
XPRAM[0x1316] = 0xcc;
XPRAM[0x1317] = 0x0a;
XPRAM[0x131c] = 0x00;
XPRAM[0x131d] = 0x02;
XPRAM[0x131e] = 0x63;
XPRAM[0x131f] = 0x00;
XPRAM[0x1308] = 0x13;
XPRAM[0x1309] = 0x88;
XPRAM[0x130a] = 0x00;
XPRAM[0x130b] = 0xcc;
XPRAM[0x1376] = 0x00; // OSDefault = MacOS
XPRAM[0x1377] = 0x01;
}
// Set boot volume
i16 = PrefsFindInt32("bootdrive");
XPRAM[0x1378] = i16 >> 8;
XPRAM[0x1379] = i16 & 0xff;
i16 = PrefsFindInt32("bootdriver");
XPRAM[0x137a] = i16 >> 8;
XPRAM[0x137b] = i16 & 0xff;
// Create BootGlobs at top of Mac memory
memset(RAMBaseHost + RAMSize - 4096, 0, 4096);
BootGlobsAddr = RAMBase + RAMSize - 0x1c;
WriteMacInt32(BootGlobsAddr - 5 * 4, RAMBase + RAMSize); // MemTop
WriteMacInt32(BootGlobsAddr + 0 * 4, RAMBase); // First RAM bank
WriteMacInt32(BootGlobsAddr + 1 * 4, RAMSize);
WriteMacInt32(BootGlobsAddr + 2 * 4, (uint32)-1); // End of bank table
// Init thunks
if (!ThunksInit())
// Initialize everything
if (!InitAll())
goto quit;
// Init drivers
SonyInit();
DiskInit();
CDROMInit();
SCSIInit();
// Init external file system
ExtFSInit();
// Init ADB
ADBInit();
// Init audio
AudioInit();
// Init network
EtherInit();
// Init serial ports
SerialInit();
// Init Time Manager
timer_init();
// Init clipboard
ClipInit();
// Init video
if (!VideoInit())
goto quit;
// Install ROM patches
if (!PatchROM()) {
ErrorAlert(GetString(STR_UNSUPPORTED_ROM_TYPE_ERR));
goto quit;
}
D(bug("Initialization complete\n"));
// Write protect ROM
vm_protect(ROMBaseHost, ROM_AREA_SIZE, VM_PAGE_READ | VM_PAGE_EXECUTE);
// Initialize Kernel Data
memset(kernel_data, 0, sizeof(KernelData));
if (ROMType == ROMTYPE_NEWWORLD) {
uint32 of_dev_tree = SheepMem::Reserve(4 * sizeof(uint32));
Mac_memset(of_dev_tree, 0, 4 * sizeof(uint32));
uint32 vector_lookup_tbl = SheepMem::Reserve(128);
uint32 vector_mask_tbl = SheepMem::Reserve(64);
memset((uint8 *)kernel_data + 0xb80, 0x3d, 0x80);
Mac_memset(vector_lookup_tbl, 0, 128);
Mac_memset(vector_mask_tbl, 0, 64);
kernel_data->v[0xb80 >> 2] = htonl(ROM_BASE);
kernel_data->v[0xb84 >> 2] = htonl(of_dev_tree); // OF device tree base
kernel_data->v[0xb90 >> 2] = htonl(vector_lookup_tbl);
kernel_data->v[0xb94 >> 2] = htonl(vector_mask_tbl);
kernel_data->v[0xb98 >> 2] = htonl(ROM_BASE); // OpenPIC base
kernel_data->v[0xbb0 >> 2] = htonl(0); // ADB base
kernel_data->v[0xc20 >> 2] = htonl(RAMSize);
kernel_data->v[0xc24 >> 2] = htonl(RAMSize);
kernel_data->v[0xc30 >> 2] = htonl(RAMSize);
kernel_data->v[0xc34 >> 2] = htonl(RAMSize);
kernel_data->v[0xc38 >> 2] = htonl(0x00010020);
kernel_data->v[0xc3c >> 2] = htonl(0x00200001);
kernel_data->v[0xc40 >> 2] = htonl(0x00010000);
kernel_data->v[0xc50 >> 2] = htonl(RAMBase);
kernel_data->v[0xc54 >> 2] = htonl(RAMSize);
kernel_data->v[0xf60 >> 2] = htonl(PVR);
kernel_data->v[0xf64 >> 2] = htonl(CPUClockSpeed); // clock-frequency
kernel_data->v[0xf68 >> 2] = htonl(BusClockSpeed); // bus-frequency
kernel_data->v[0xf6c >> 2] = htonl(TimebaseSpeed); // timebase-frequency
} else {
kernel_data->v[0xc80 >> 2] = htonl(RAMSize);
kernel_data->v[0xc84 >> 2] = htonl(RAMSize);
kernel_data->v[0xc90 >> 2] = htonl(RAMSize);
kernel_data->v[0xc94 >> 2] = htonl(RAMSize);
kernel_data->v[0xc98 >> 2] = htonl(0x00010020);
kernel_data->v[0xc9c >> 2] = htonl(0x00200001);
kernel_data->v[0xca0 >> 2] = htonl(0x00010000);
kernel_data->v[0xcb0 >> 2] = htonl(RAMBase);
kernel_data->v[0xcb4 >> 2] = htonl(RAMSize);
kernel_data->v[0xf80 >> 2] = htonl(PVR);
kernel_data->v[0xf84 >> 2] = htonl(CPUClockSpeed); // clock-frequency
kernel_data->v[0xf88 >> 2] = htonl(BusClockSpeed); // bus-frequency
kernel_data->v[0xf8c >> 2] = htonl(TimebaseSpeed); // timebase-frequency
}
// Initialize extra low memory
D(bug("Initializing Low Memory...\n"));
Mac_memset(0, 0, 0x3000);
WriteMacInt32(XLM_SIGNATURE, FOURCC('B','a','a','h')); // Signature to detect SheepShaver
WriteMacInt32(XLM_KERNEL_DATA, KernelDataAddr); // For trap replacement routines
WriteMacInt32(XLM_PVR, PVR); // Theoretical PVR
WriteMacInt32(XLM_BUS_CLOCK, BusClockSpeed); // For DriverServicesLib patch
WriteMacInt16(XLM_EXEC_RETURN_OPCODE, M68K_EXEC_RETURN); // For Execute68k() (RTS from the executed 68k code will jump here and end 68k mode)
WriteMacInt32(XLM_ZERO_PAGE, SheepMem::ZeroPage()); // Pointer to read-only page with all bits set to 0
WriteMacInt32(XLM_ETHER_INIT, NativeFunction(NATIVE_ETHER_INIT)); // DLPI ethernet driver functions
WriteMacInt32(XLM_ETHER_TERM, NativeFunction(NATIVE_ETHER_TERM));
WriteMacInt32(XLM_ETHER_OPEN, NativeFunction(NATIVE_ETHER_OPEN));
WriteMacInt32(XLM_ETHER_CLOSE, NativeFunction(NATIVE_ETHER_CLOSE));
WriteMacInt32(XLM_ETHER_WPUT, NativeFunction(NATIVE_ETHER_WPUT));
WriteMacInt32(XLM_ETHER_RSRV, NativeFunction(NATIVE_ETHER_RSRV));
WriteMacInt32(XLM_VIDEO_DOIO, NativeFunction(NATIVE_VIDEO_DO_DRIVER_IO));
D(bug("Low Memory initialized\n"));
vm_protect(ROMBaseHost, ROM_AREA_SIZE, VM_PAGE_READ);
// Start 60Hz thread
tick_thread_cancel = false;
@ -551,41 +393,8 @@ static void Quit(void)
wait_thread(nvram_thread);
}
// Save NVRAM
XPRAMExit();
// Exit clipboard
ClipExit();
// Exit Time Manager
TimerExit();
// Exit serial
SerialExit();
// Exit network
EtherExit();
// Exit audio
AudioExit();
// Exit ADB
ADBExit();
// Exit video
VideoExit();
// Exit external file system
ExtFSExit();
// Exit drivers
SCSIExit();
CDROMExit();
DiskExit();
SonyExit();
// Delete thunks
ThunksExit();
// Deinitialize everything
ExitAll();
// Delete SheepShaver globals
SheepMem::Exit();
@ -755,17 +564,6 @@ void MakeExecutable(int dummy, uint32 start, uint32 length)
}
/*
* Patch things after system startup (gets called by disk driver accRun routine)
*/
void PatchAfterStartup(void)
{
ExecuteNative(NATIVE_VIDEO_INSTALL_ACCEL);
InstallExtFS();
}
/*
* NVRAM watchdog thread (saves NVRAM every minute)
*/

2
SheepShaver/src/include/main.h
View File

@ -42,6 +42,8 @@ struct M68kRegisters {
// Functions
extern bool InitAll(void);
extern void ExitAll(void);
extern void Dump68kRegs(M68kRegisters *r); // Dump 68k registers
extern void MakeExecutable(int dummy, uint32 start, uint32 length); // Make code executable
extern void PatchAfterStartup(void); // Patches after system startup

314
SheepShaver/src/main.cpp Normal file
View File

@ -0,0 +1,314 @@
/*
* main.cpp - ROM patches
*
* SheepShaver (C) 1997-2004 Christian Bauer and Marc Hellwig
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "sysdeps.h"
#include "main.h"
#include "version.h"
#include "prefs.h"
#include "prefs_editor.h"
#include "cpu_emulation.h"
#include "emul_op.h"
#include "xlowmem.h"
#include "xpram.h"
#include "timer.h"
#include "adb.h"
#include "sony.h"
#include "disk.h"
#include "cdrom.h"
#include "scsi.h"
#include "video.h"
#include "audio.h"
#include "ether.h"
#include "serial.h"
#include "clip.h"
#include "extfs.h"
#include "sys.h"
#include "macos_util.h"
#include "rom_patches.h"
#include "user_strings.h"
#include "vm_alloc.h"
#include "sigsegv.h"
#include "thunks.h"
#define DEBUG 0
#include "debug.h"
#ifdef ENABLE_MON
#include "mon.h"
static uint32 sheepshaver_read_byte(uintptr adr)
{
return ReadMacInt8(adr);
}
static void sheepshaver_write_byte(uintptr adr, uint32 b)
{
WriteMacInt8(adr, b);
}
#endif
/*
* Initialize everything, returns false on error
*/
bool InitAll(void)
{
// Load NVRAM
XPRAMInit();
// Load XPRAM default values if signature not found
if (XPRAM[0x130c] != 0x4e || XPRAM[0x130d] != 0x75
|| XPRAM[0x130e] != 0x4d || XPRAM[0x130f] != 0x63) {
D(bug("Loading XPRAM default values\n"));
memset(XPRAM + 0x1300, 0, 0x100);
XPRAM[0x130c] = 0x4e; // "NuMc" signature
XPRAM[0x130d] = 0x75;
XPRAM[0x130e] = 0x4d;
XPRAM[0x130f] = 0x63;
XPRAM[0x1301] = 0x80; // InternalWaitFlags = DynWait (don't wait for SCSI devices upon bootup)
XPRAM[0x1310] = 0xa8; // Standard PRAM values
XPRAM[0x1311] = 0x00;
XPRAM[0x1312] = 0x00;
XPRAM[0x1313] = 0x22;
XPRAM[0x1314] = 0xcc;
XPRAM[0x1315] = 0x0a;
XPRAM[0x1316] = 0xcc;
XPRAM[0x1317] = 0x0a;
XPRAM[0x131c] = 0x00;
XPRAM[0x131d] = 0x02;
XPRAM[0x131e] = 0x63;
XPRAM[0x131f] = 0x00;
XPRAM[0x1308] = 0x13;
XPRAM[0x1309] = 0x88;
XPRAM[0x130a] = 0x00;
XPRAM[0x130b] = 0xcc;
XPRAM[0x1376] = 0x00; // OSDefault = MacOS
XPRAM[0x1377] = 0x01;
}
// Set boot volume
int16 i16 = PrefsFindInt32("bootdrive");
XPRAM[0x1378] = i16 >> 8;
XPRAM[0x1379] = i16 & 0xff;
i16 = PrefsFindInt32("bootdriver");
XPRAM[0x137a] = i16 >> 8;
XPRAM[0x137b] = i16 & 0xff;
// Create BootGlobs at top of Mac memory
memset(RAMBaseHost + RAMSize - 4096, 0, 4096);
BootGlobsAddr = RAMBase + RAMSize - 0x1c;
WriteMacInt32(BootGlobsAddr - 5 * 4, RAMBase + RAMSize); // MemTop
WriteMacInt32(BootGlobsAddr + 0 * 4, RAMBase); // First RAM bank
WriteMacInt32(BootGlobsAddr + 1 * 4, RAMSize);
WriteMacInt32(BootGlobsAddr + 2 * 4, (uint32)-1); // End of bank table
// Init thunks
if (!ThunksInit())
return false;
// Init drivers
SonyInit();
DiskInit();
CDROMInit();
SCSIInit();
// Init external file system
ExtFSInit();
// Init ADB
ADBInit();
// Init audio
AudioInit();
// Init network
EtherInit();
// Init serial ports
SerialInit();
// Init Time Manager
TimerInit();
// Init clipboard
ClipInit();
// Init video
if (!VideoInit())
return false;
// Install ROM patches
if (!PatchROM()) {
ErrorAlert(GetString(STR_UNSUPPORTED_ROM_TYPE_ERR));
return false;
}
// Initialize Kernel Data
KernelData *kernel_data = (KernelData *)Mac2HostAddr(KERNEL_DATA_BASE);
memset(kernel_data, 0, sizeof(KernelData));
if (ROMType == ROMTYPE_NEWWORLD) {
uint32 of_dev_tree = SheepMem::Reserve(4 * sizeof(uint32));
Mac_memset(of_dev_tree, 0, 4 * sizeof(uint32));
uint32 vector_lookup_tbl = SheepMem::Reserve(128);
uint32 vector_mask_tbl = SheepMem::Reserve(64);
memset((uint8 *)kernel_data + 0xb80, 0x3d, 0x80);
Mac_memset(vector_lookup_tbl, 0, 128);
Mac_memset(vector_mask_tbl, 0, 64);
kernel_data->v[0xb80 >> 2] = htonl(ROM_BASE);
kernel_data->v[0xb84 >> 2] = htonl(of_dev_tree); // OF device tree base
kernel_data->v[0xb90 >> 2] = htonl(vector_lookup_tbl);
kernel_data->v[0xb94 >> 2] = htonl(vector_mask_tbl);
kernel_data->v[0xb98 >> 2] = htonl(ROM_BASE); // OpenPIC base
kernel_data->v[0xbb0 >> 2] = htonl(0); // ADB base
kernel_data->v[0xc20 >> 2] = htonl(RAMSize);
kernel_data->v[0xc24 >> 2] = htonl(RAMSize);
kernel_data->v[0xc30 >> 2] = htonl(RAMSize);
kernel_data->v[0xc34 >> 2] = htonl(RAMSize);
kernel_data->v[0xc38 >> 2] = htonl(0x00010020);
kernel_data->v[0xc3c >> 2] = htonl(0x00200001);
kernel_data->v[0xc40 >> 2] = htonl(0x00010000);
kernel_data->v[0xc50 >> 2] = htonl(RAMBase);
kernel_data->v[0xc54 >> 2] = htonl(RAMSize);
kernel_data->v[0xf60 >> 2] = htonl(PVR);
kernel_data->v[0xf64 >> 2] = htonl(CPUClockSpeed); // clock-frequency
kernel_data->v[0xf68 >> 2] = htonl(BusClockSpeed); // bus-frequency
kernel_data->v[0xf6c >> 2] = htonl(TimebaseSpeed); // timebase-frequency
} else if (ROMType == ROMTYPE_GOSSAMER) {
kernel_data->v[0xc80 >> 2] = htonl(RAMSize);
kernel_data->v[0xc84 >> 2] = htonl(RAMSize);
kernel_data->v[0xc90 >> 2] = htonl(RAMSize);
kernel_data->v[0xc94 >> 2] = htonl(RAMSize);
kernel_data->v[0xc98 >> 2] = htonl(0x00010020);
kernel_data->v[0xc9c >> 2] = htonl(0x00200001);
kernel_data->v[0xca0 >> 2] = htonl(0x00010000);
kernel_data->v[0xcb0 >> 2] = htonl(RAMBase);
kernel_data->v[0xcb4 >> 2] = htonl(RAMSize);
kernel_data->v[0xf60 >> 2] = htonl(PVR);
kernel_data->v[0xf64 >> 2] = htonl(CPUClockSpeed); // clock-frequency
kernel_data->v[0xf68 >> 2] = htonl(BusClockSpeed); // bus-frequency
kernel_data->v[0xf6c >> 2] = htonl(TimebaseSpeed); // timebase-frequency
} else {
kernel_data->v[0xc80 >> 2] = htonl(RAMSize);
kernel_data->v[0xc84 >> 2] = htonl(RAMSize);
kernel_data->v[0xc90 >> 2] = htonl(RAMSize);
kernel_data->v[0xc94 >> 2] = htonl(RAMSize);
kernel_data->v[0xc98 >> 2] = htonl(0x00010020);
kernel_data->v[0xc9c >> 2] = htonl(0x00200001);
kernel_data->v[0xca0 >> 2] = htonl(0x00010000);
kernel_data->v[0xcb0 >> 2] = htonl(RAMBase);
kernel_data->v[0xcb4 >> 2] = htonl(RAMSize);
kernel_data->v[0xf80 >> 2] = htonl(PVR);
kernel_data->v[0xf84 >> 2] = htonl(CPUClockSpeed); // clock-frequency
kernel_data->v[0xf88 >> 2] = htonl(BusClockSpeed); // bus-frequency
kernel_data->v[0xf8c >> 2] = htonl(TimebaseSpeed); // timebase-frequency
}
// Initialize extra low memory
D(bug("Initializing Low Memory...\n"));
Mac_memset(0, 0, 0x3000);
WriteMacInt32(XLM_SIGNATURE, FOURCC('B','a','a','h')); // Signature to detect SheepShaver
WriteMacInt32(XLM_KERNEL_DATA, KernelDataAddr); // For trap replacement routines
WriteMacInt32(XLM_PVR, PVR); // Theoretical PVR
WriteMacInt32(XLM_BUS_CLOCK, BusClockSpeed); // For DriverServicesLib patch
WriteMacInt16(XLM_EXEC_RETURN_OPCODE, M68K_EXEC_RETURN); // For Execute68k() (RTS from the executed 68k code will jump here and end 68k mode)
WriteMacInt32(XLM_ZERO_PAGE, SheepMem::ZeroPage()); // Pointer to read-only page with all bits set to 0
#if !EMULATED_PPC
WriteMacInt32(XLM_TOC, (uint32)TOC); // TOC pointer of emulator
#endif
WriteMacInt32(XLM_ETHER_INIT, NativeFunction(NATIVE_ETHER_INIT)); // DLPI ethernet driver functions
WriteMacInt32(XLM_ETHER_TERM, NativeFunction(NATIVE_ETHER_TERM));
WriteMacInt32(XLM_ETHER_OPEN, NativeFunction(NATIVE_ETHER_OPEN));
WriteMacInt32(XLM_ETHER_CLOSE, NativeFunction(NATIVE_ETHER_CLOSE));
WriteMacInt32(XLM_ETHER_WPUT, NativeFunction(NATIVE_ETHER_WPUT));
WriteMacInt32(XLM_ETHER_RSRV, NativeFunction(NATIVE_ETHER_RSRV));
WriteMacInt32(XLM_VIDEO_DOIO, NativeFunction(NATIVE_VIDEO_DO_DRIVER_IO));
D(bug("Low Memory initialized\n"));
#if ENABLE_MON
// Initialize mon
mon_init();
mon_read_byte = sheepshaver_read_byte;
mon_write_byte = sheepshaver_write_byte;
#endif
return true;
}
/*
* Deinitialize everything
*/
void ExitAll(void)
{
#if ENABLE_MON
// Deinitialize mon
mon_exit();
#endif
// Save NVRAM
XPRAMExit();
// Exit clipboard
ClipExit();
// Exit Time Manager
TimerExit();
// Exit serial
SerialExit();
// Exit network
EtherExit();
// Exit audio
AudioExit();
// Exit ADB
ADBExit();
// Exit video
VideoExit();
// Exit external file system
ExtFSExit();
// Exit drivers
SCSIExit();
CDROMExit();
DiskExit();
SonyExit();
// Delete thunks
ThunksExit();
}
/*
* Patch things after system startup (gets called by disk driver accRun routine)
*/
void PatchAfterStartup(void)
{
ExecuteNative(NATIVE_VIDEO_INSTALL_ACCEL);
InstallExtFS();
}